§ 12-8. Same—Commercial and industrial buildings inside fire district.

In regard to commercial and industrial buildings inside the fire district:

(a)

All wiring shall be in rigid metal conduit or electrical metallic tubing (thin wall conduit), except with special permission.

(b)

Flexible metal conduit shall not be used for a raceway except to connect motors and other fixed appliances and their controls and in no case shall exceed ten (10) feet in length and be installed in compliance with the National Electrical Code. Flexible metal conduit shall not be used for extended raceways except by special permission.

(c)

Surface metal raceways shall not be used except for the following:

(1)

Signal raceways;

(2)

Extension wiring; or

(3)

Expansion lighting, and only then by special permission.

(d)

On any new installation in a building, or in wiring the service in an existing building, in addition to the required number of branch circuits, there shall be at least two (2) spare circuits of not more than thirty (30) ampere capacity.

(e)

Service entrances shall be installed in rigid metal thick wall conduit.

(f)

All service shall be three (3) wire.

(g)

Conductor size for service shall conform to the Southern Builders Schedule, as shown:

Building Area	Service
0 to 600 square feet	60 Amp
601 to 1000 square feet	100 Amp
1001 to 1500 square feet	150 Amp
1501 or larger	200 Amp or larger

 

(h)

All systems and equipment grounds shall be made in accordance with the National

Electrical Code, with the exception that no gas pipeline shall be used for grounding.

(i)

All motors rated at one horsepower and larger shall be equipped with an automatic or semi-automatic overcurrent protective device with proper overload elements installed in addition to the disconnect or backup fuse switch. This eliminates the use of a metal enclosed knife switch rated at one horsepower or more for anything other than a disconnect switch or backup fuse switch.

(j)

Lighting circuits shall be limited to six (6) outlets.

(k)

Any public buildings such as schools, theaters, filling stations, garages, churches, public libraries, hotels, etc., shall be wired in rigid metal conduit or thin wall tubing throughout, with the exception of those provisions in this section which permit the use of flexible metal conduit in certain instances.

(l)

No armored cable shall be used at any time.

(m)

No black enameled conduit shall be used except in accordance with the National Electrical Code.

(Ord. No. 989, §§ 17.1—17.13, 3-8-71)